Dyfyniad APA

Christiansen, M. H., & Richerson, P. J. (2013). Cultural evolution: Society, technology, language, and religion. MIT Press.

Dyfyniad Arddull Chicago

Christiansen, Morten H., and Peter J. Richerson. Cultural Evolution: Society, Technology, Language, and Religion. Cambridge, Massachusetts: MIT Press, 2013.

Dyfyniad MLA

Christiansen, Morten H., and Peter J. Richerson. Cultural Evolution: Society, Technology, Language, and Religion. MIT Press, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.